All the benefits of the Sealed Low Friction System, but designed for use on tandem, triathlon, time trial, and full suspension bikes with uninterrupted housing! Cables are completely protected from mud, dirt and the elements by continuous liners and GRUB Seals. Available for derailleurs or brakes, this patented cable coating technology is designed for low friction and durability. System Includes: Extra Long Coated cables, Extra Long Continuous liner, Extra Long Cable housing, Grub seals, Crimp caps, Ferrules.